{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Neuroprotection was attenuated by pertussis toxin , and inhibited by the selective type - 1 S1PR ( S1P1R ) antagonist , W146 , and by inhibitors of the mitogen associated protein kinase ( MAPK ) and the phosphatidylinositol - 3 - kinase ( PtdIns - 3 - K ) pathways ."}
{"Chemical": ["W146", "phosphatidylinositol"]}